What is the construction and purpose of engine cooling?

Engine cooling is a set of parts responsible for maintaining the proper operating temperature of the powertrain. A typical system consists of a radiator, water pump, thermostat, hoses, fan, sensors, and an expansion tank. These elements are located mainly in the engine compartment and connected by a coolant circuit.

What is engine cooling used for?

Engine cooling is used to absorb excess heat from the block and cylinder head and to stabilize the operating temperature during driving and when stationary. An efficient system limits the risk of overheating and also affects the proper operation of the heater, fan, and control sensors. Without proper cooling, engine performance may drop, and cooperating components may fail.

What role does the expansion tank play in the cooling system?

The expansion tank is a cooling system element that absorbs fluid volume changes resulting from temperature increases and decreases. It is used to maintain the correct fluid level and works with a pressure cap that stabilizes the system's operating conditions. Fluid levels and the condition of return hoses are often checked within its vicinity.

How to choose a cooling system part for a specific car version?

It is safest to compare the OEM number, engine version, body type, and mounting location. It is also worth checking the number of pins in the plug, pipe diameter, mounting type, and the presence of additional sensors. For parts such as a fan or auxiliary pump, the control method also matters.

What symptoms indicate cooling system problems?

Typical symptoms include rising engine temperature, fluid leaks, the fan not turning on, steam from under the hood, or the unit taking too long to warm up. In some cars, temperature sensor errors or weaker interior heating also appear. Symptoms should be analyzed in conjunction with the operation of the thermostat, water pump, and hose tightness.

What to pay attention to when installing engine cooling parts?

After installation, you must check the tightness of connections, correct seating of mounts, and the condition of seals. It is also important to top up with the correct fluid and bleed the system according to the manufacturer's procedure. In the case of electrical parts, you should additionally verify the plugs, wiring harness, and fan control operation.

Engine cooling

At the Global Parts automotive store, we offer a wide selection of original used car parts, including engine cooling components, for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our car parts undergoes quality control to ensure you receive a top-quality product.

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BMW X5 F15 Diesel Engine Coolant Hose Line Tube Supply Return 8519112

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A9065010682

Mercedes-Benz Sprinter W906 Diesel Radiator Water Coolant Pipe Hose A9065010682

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A2702030182

Mercedes C117 W176 X156 W246 Coolant Thermostat Pipe Hose Line OM270 A2702030182

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 03L122157AA

Audi A4 B8 Water Hose Radiator Coolant Pipe Line 2.0 TDI Diesel 03L122157AA

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9G230706300

Porsche 718 Boxster 982 Feed Coolant Hose Pipe Line 2.0 Petrol 9G230706300

€56.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9P1317233

Porsche 718 Boxster 982 Water Coolant Heater Valve Pipe Hose Line 2.0T 9P1317233

€66.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 982115653A

Porsche Cayman Boxster 718 982 Oil Pump Filler Pipe Hose Line Petrol 982115653A

€80.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 1K0121284F

Volkswagen Golf Gti 1k Radiator Air Duct Deflector Guide Right O/S 1K0121284F

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. PCH503320

Land Rover Discovery 3 L319 Water Coolant Heater Pipe Hose Line PCH503320

€56.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A2135015301

Mercedes W213 Water Coolant Pipe Hose Line Tube A2135015301

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 5N0121070M

Audi A3 8P Water Hose Cooling Radiator Coolant Pipe Line 5N0121070M

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 4K0819460

Audi A6 C8 Engine Coolant Pipe Line Heating Hose 2.0 TFSI Hybrid 4K0819460

€47.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 5N0122073AH

Audi Q3 SE Mk1 2.0 TDI Water Coolant Pipe Hose Line Tube 5N0122073AH

€42.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A6071500054-1

Water Heater Mercedes W176 W246 Pre Heater Auxiliary A6071500054

€47.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A2045019482

Coolant Hose Mercedes W204 Petrol M274 Radiator Right O/S Water Line A2045019482

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A0999053700

Temperature Sensor Mercedes W177 W222 W276W463 Coolant Level A0999053700

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A2115001693-3

Mercedes W211 W219 Engine Cooling Radiator Fan Motor Shroud A2115001693

€47.95

Free delivery: Sep 14 – 16

If paid before 14:00

Part no. 982121049

Porsche 718 Boxster Cayman 982 Coolant Water Hose Pipe 2.0T Petrol 982121049

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 04L121065BH

Volkswagen Tiguan 5n Water Coolant Pipe Hose Tube Line 2.0 TDI CUVC 04L121065BH

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A4535010000

Smart Fortwo C453 Coolant Expansion Tank Radiator Cap Cover Screw A4535010000

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7617381

Mini F56 BMW F45 F46 Water Coolant Pipe Hose Line B37 B47 7617381

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8T0941717D

Audi A4 RS4 B8 Headlight Lamp Drain Hose Pipe Line Tube Left N/S 8T0941717D

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9222751

BMW X5 E70 LCI Auxiliary Water Radiator Coolant Pipe Hose Pipe Supply 9222751

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A1728321094

Mercedes R172 OM651 Auxiliary Water Pump Hose Pipe Line Tube A1728321094

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8W0819332D

Audi A4 B9 A5 F5 Water Hose Engine Cooling Coolant Pipe Line Diesel 8W0819332D

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. LR001311

Land Rover Evoque L538 Water Hose Tube Line Pipe By-Pass 2.2 Diesel LR001311

€80.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6986793

BMW E60 E61 Engine Water Coolant Pipe Hose Line 550i N62N 6986793

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7645482

Water Coolant Hose BMW F45 Mini F60 Countryman Pipe Line 7645482

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 5Q0121447G

Audi A3 8V VW Golf Mk7 Engine Coolant Pipe Water Hose Line 5Q012144

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. K8D2-8K218-AB

Range Rover Evoque L551 Expansion Tank Bottle Reservoir 2.0 Diesel K8D2-8K218-AB

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. LR003188

Land Rover Freelander 2 L359 Oil Separator Breather 2.2 TD4 965327528006

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 99110655101

Porsche 718 Boxster 982 Water Coolant Pipe Hose Line 2.0T 99110655101

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8K0121101P

Audi A4 B8 2.0 TDI Diesel Water Pipe Engine Cooling Coolant Hose Line 8K0121101P

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8584143

Water Hose BMW F20 F30 F31 F10 F11 LCI B47 Coolant Water Pump Pipe Line 8584143

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A2055011091

Mercedes W205 Water Hose Radiator Coolant Cooling Pipe Line M276 A2055011091

€56.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. LR073682

Land Rover Discovery Sport L550 Turbo Oil Feed Pipe Hose Line 2.0 G4D3-6K679-FB

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8W0122291AH

Audi A4 B9 A5 F5 Coolant Water Pipe Grommet 2.0 TDI Diesel 8W0122291AH

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7455614

Air Duct Mini F57 Convertible Ventialtion Plate Cooling Front Right O/S 7455614

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7557364

BMW E60 E90 E91 F10 Radiator Coolant Pipe Hose Line 7557364

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 5N0122101AS

Audi Q3 SE Coolant Hose With Quick Release Coupling Upper 5N0122101AS

€85.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 1433077

BMW 1 3 5 7 SERIES E60 E61 E65 E70 E87 E90 Temperature Sensor Coolant 1433077

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7788293

BMW E60 E61 E64 LCI Cooling Water Expansion Tank Mount Bracket Support 7788293

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 2248409-1

Cooling Water Connector BMW X3 Z4 E46 E83 E85 Pipe Radiator 2248409

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7600538

BMW F87 LCI Radiator Module Carrier Bracket Mount Holder Right O/S 7600538

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7P5121070R-1

Porsche Cayenne S 92A Coolant Hose Pipe Line Right O/S 7P5121070R

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 06H121057H

Audi A4 S4 B8 8K A5 S5 8F 8T Thermostat Coolant Hose Pipe Line 06H121057H

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8E0317826T

Audi A4 B7 Gearbox Oil Cooler Pressure Line Pipe Hose 2.0 TFSI Petrol 8E0317826T

€56.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 03L906088HC

VW Crafter 35 Temperature Sensor Exhaust Gas Sensor Probe 2.0 TDI 03L906088HC

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 079121071CF-1

AUDI S5 8T Petrol 4.2 FSI V8 Coolant Hose Rear Engine Water Pipe 079121071CF

€56.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 4G0121081EJ

Audi A7 Sportback 4G Coolant Hose Pipe 3.0 TDI Diesel 4G0121081EJ

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A1775016102

Coolant Pipe Mercedes C118 W177 W247 Heater Water Cooling Hose Line A1775016102

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. LR073713

Land Rover Discovery Sport L550 Water Coolant Pipe Hose Line 2.0 G4D3-18B402-BA

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 5Q0122157EP

Seat Leon Cupra 5F Water Coolant Pipe Hose Tube Line 2.0 TFSI Petrol 5Q0122157EP

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 4K0121052H

Audi A6 C8 Engine Coolant Pipe Line Heating Hose 2.0 TFSI Hybrid 4K0121052H

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A2045010482

Radiator Hose Mercedes W204 M272 Coolant Right Radiator Water Line A2045010482

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 6R0122051BR

Water Hose Audi A1 S1 8X 2.0 Cooling Radiator Coolant Pipe Line 6R0122051BR

€66.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7830714

BMW E46 Engine Cooling Water Radiator Coolant Tube Pipe Hose Line 7830714

€94.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A6262000007

Mercedes W447 Diesel Engine Cooling Water Pump A6262000007

€32.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7834051

BMW 5 6 Series E60 M5 E63 M5 Waterpump Thermostat Connector Cylinder 6-10

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A6398324823

Mercedes W639 Heat Exchanger Water Coolant Hose Pipe A6398324823

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A1602030082

Smart Fortwo 450 Roadster 452 Thermostat Cooling Hose Pipe Line A1602030082

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8629963

Oil Return Pipe BMW F40 F44 F45 F46 Mini F54 F56 F60 Turbocharger Hose 8629963

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A4535013482

Smart ForTwo C453 1.0 Petrol Heater Matrix Exchange Pipe Hose Line A4535013482

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. DT11-8311-CC

Ford Transit Connect Mk2 Radiator Air Intake Deflector Left N/S DT11-8311-CC

€32.95

Free delivery: Sep 14 – 16

If paid before 14:00

Part no. 5Q0121113F

Audi Q7 4M Water Coolant Thermosat Regulator Valve 5Q0121113F

€70.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7848500-1

Coolant Hose BMW F80 M3 F82 M4 S55 Water Pump Cooling Pipe Line 7848500

€89.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 04E103474G

Audi A3 8V Tank Crankcase Breather Vent Pipe Line 04E103474G

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 99610661153

Porsche Carrera 996 Coolant Water Hose Pipe Feed Line 9603 Petrol 99610661153

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 03G121065H

Volkswagen Golf MK5 Audi A3 8P Seat Skoda Diesel Engine Coolant Pipe 503G121065H

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A9078306901

Mercedes W907 Auxiliary Water Pump Coolant Hose Line Pipe 9078306901

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7835220

BMW 5 6 E60 M5 E63 M5 Waterpump Thermostat Connector Cylinder 1-5 7833988

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A1635000700

Mercedes W163 270 CDI Air Charge Cooling Intercooler A1635000700

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7P6129572

Porsche Cayenne 92A Air Intake Hose Pipe Line 4.2 TDI Diesel Right O/S 7P6129572

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A2055061535

Mercedes W205 Hybrid Water Hose Radiator Coolant Cooling Pipe Line A2055061535

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A1765000900

Mercedes W176 AMG Auxiliary Water Cooler Coolant Radiator A1765000900

€165.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 03L906088D

Audi A4 B8 Temperature Sensor Diesel Engine Exhaust Gas Sensor Probe 03L906088D

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 8V61-8K218-DE-1

Ford Transit Connect Mk2 Focus Mk3 Coolant Expansion Tank Bottle 8V61-8K218-DE

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A6512031682

Mercedes W204 W212 W906 Water Cooling Coolant Pipe Hose OM651 Engine A6512031682

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A4534700564

Smart Fortwo C453 Radiator Overflow Coolant Water Pipe Hose Line A4534700564

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A2058300001

Mercedes W205 Water Hose Cooling Radiator Coolant Pipe Line A2058300001

€56.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 057121073C

Audi Q7 4L 4.2 TDI Coolant Hose Pipe Hose Line 057121073C

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A2135010401

Mercedes W213 S213 C238 Coolant Hose Pipe Line A2135010401

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 9128953

BMW X3 F25 Air Conditioning Radiator A/C Interior Heating Unit 9128953

€37.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7838756-1

BMW M3 E46 Z4 E85 E86 Coolant Return Pipe Water Line S54 Petrol 7831527

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7534914

BMW 5 Series E60 E61 LCI 520i Petrol N43 Engine Cooling Radiator 7534914

€108.95

Free delivery: Sep 14 – 16

If paid before 14:00

Part no. A6542032801-1

Mercedes W177 W247 C118 Coolant Hose Water Line OM654 Diesel A6542032801

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 982121625B

Porsche 718 Boxster 982 Water Coolant Hose Pipe Line 2.0 Petrol 982121625B

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7535901-1

BMW Mini Cooper R50 R52 Cooling System Coolant Radiator Water Hose 7512566

€28.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A6512032282

Mercedes W204 W212 OM651 Engine Water Pipe Cooling Coolant Hose A6512032282

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 5Q0122051B

Skoda Octavia 5E Audi A3 8V VW Golf VII Water Coolant Hose Pipe Line 5Q0122051B

€42.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7548240

BMW E81 E82 E87 Hose Cooling System Pipe Return Line Thermostat Heating 7548240

€56.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. CPLA-9F287-DB

Range Rover L405 Heat Exchanger Water Coolant Cooling Hose Pipe CPLA-9F287-DB

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. M8B2-8464-BB

Range Rover Defender L663 Coolant Expansion Bottle Hose Line Tube M8B2-8464-BB

€85.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 7807624

Radiator Water BMW X5 F15 Engine Cooling Coolant Unit Radiator 7807624

€56.95

Free delivery: Sep 14 – 16

If paid before 14:00

Part no. 8641963-5

Radiator Fan BMW F20 F21 F30 F31 Engine Cooling 8641963

€23.95

Free delivery: Sep 14 – 16

If paid before 14:00

Part no. 1K0121101CP-1

Volkswagen Golf Mk6 1.6 TDI Water Hose Cooling Coolant Pipe Line 1K0121101CP

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. A1765010000-1

Coolant Hose Mercedes W176 C117 CLA A45 AMG Petrol M133 Water Line A1765010000

€23.95

Free delivery: Sep 15 – 16

If paid before 14:00

Part no. 982265381C

Porsche 718 Boxster 982 Water Coolant Hose Pipe Line 2.0T 982265381C

€51.95

Free delivery: Sep 15 – 16

If paid before 14:00

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